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Is the height of mountain X greater than the height of

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Is the height of mountain X greater than the height of [#permalink] New post 26 Jul 2004, 06:54
Is the height of mountain X greater than the height of mountain Y?

(1)The height of mountain Z is 4000 feet less than the height of mountain X and is 1000 feet greater than the height of mountain Y.

(2)The sum of the heights of mountains X and Z is 16678 feet and the height of mountain Y is 5339 feet


please explain, thank you.
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 [#permalink] New post 26 Jul 2004, 07:37
I go for A....


the second statement is useless
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 [#permalink] New post 26 Jul 2004, 08:05
please give me the reason.

thank you
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 [#permalink] New post 26 Jul 2004, 08:13
1) states that X>Z>Y....=> X > Z by 4000Ft...and Z > Y by 10000ft..
hence X > Y....

2) X + Z = 16678
Y = 5339 ...so nothin can be said about the split of X & Z....X can be more than 5339 or less than 5339...so 2) is insufficient..
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  [#permalink] 26 Jul 2004, 08:13
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Is the height of mountain X greater than the height of

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